|本期目录/Table of Contents|

[1]席 维,白 璘,武奇生.基于经验小波变换和峭度值的滚动轴承故障检测方法[J].工业仪表与自动化装置,2018,(06):26-30.[doi:1000-0682（2018）06-0000-00]
　XI Wei,BAI Lin,WU Qisheng.A novel rolling bearing fault detection method based on empirical wavelet transform and kurtosis value[J].Industrial Instrumentation & Automation,2018,(06):26-30.[doi:1000-0682（2018）06-0000-00]
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基于经验小波变换和峭度值的滚动轴承故障检测方法

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

卷:
期数:
2018年06期
页码:
26-30
栏目:
出版日期:
2018-12-15

文章信息/Info

Title:
A novel rolling bearing fault detection method based on empirical wavelet transform and kurtosis value
作者:
席 维; 白 璘; 武奇生
长安大学 电子与控制工程学院，西安 710064
Author(s):
XI Wei; BAI Lin; WU Qisheng
School of Electronic and Control Engineering，Chang’an University, Xi’an 710064, China
关键词:
经验小波变换; 故障诊断; 轴承故障; 振动信号处理
Keywords:
empirical wavelet transform; fault diagnosis; bearing fault;  vibration signal processing
分类号:
TH165.3
DOI:
1000-0682（2018）06-0000-00
文献标志码:
A
摘要:
机械故障信号大多具有复杂多分量和调幅-调频的特点，但目前已有的方法在实际分析大多存在缺陷，为了有效识别故障特征频率，该文提出了一种基于EWT和峭度值的轴承故障检测方法。这种方法通过EWT对滚动轴承的振动信号进行分解，得到多个调频分量(AM-FM)，并用文中提出的计算方法得到的各个调频分量的特征指标后进行筛选，得到包含敏感故障信息的分量。将该方法应用于轴承故障信号的解调分析，提高了分析的针对性。将改进方法应用于轴承故障实测信号分析，验证了该方法的准确性。
Abstract:
Most of the mechanical fault signals have complex multi-component and amplitude modulation-frequency modulation characteristics,but most of the existing methods are flawed in practical analysis.In order to effectively identify the fault feature frequency,this paper presents a bearing fault detection based on EWT and kurtosis value method.This method decomposes the vibration signal of the rolling bearing through EWT to obtain a plurality of frequency-modulated components, and filters the characteristic indexes of each frequency-modulated component obtained by the calculation method proposed in the text, and obtains the component containing the sensitive fault information. This method is applied to the demodulation analysis of the bearing fault signal, which improves the pertinence of the analysis. The improved method was applied to analyze the measured signal of bearing failure, and the accuracy of the method was verified.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2018-05-14
基金项目：中央高校基本业务科研费（高新技术）（300102328201）
作者简介：席维（1993），女，硕士，研究方向为故障诊断等。
更新日期/Last Update: 2018-12-15